29 CFR 1910 · General Industry

1910.1043(c)(1): Permissible exposure limits (PEL)

By Black Belt Safety Editorial Team Official text as of octubre 15, 2026 3 min read

Key takeaways

  • 1910.1043(c)(1) is part of OSHA's general industry standards (29 CFR Part 1910).
  • Related part: 1910.1043(c) Permissible exposure limits and action levels.
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In this article
  1. What this rule covers
  2. Official text
  3. Free toolbox talk
  4. OSHA interpretation letters
  5. Related parts of this rule
  6. Get your crew competent
  7. About this page

What this rule covers

29 CFR 1910.1043(c)(1) ("Permissible exposure limits (PEL)") is one requirement inside 1910.1043 Cotton dust, an OSHA general industry standard (Part 1910). It includes 3 sub-paragraphs. The official text below is copied word for word from the Electronic Code of Federal Regulations (eCFR). The numbers, injury cases and training on this page show how OSHA enforces it on real job sites.

Official text

(1) Permissible exposure limits (PEL).

(i) The employer shall assure that no employee who is exposed to cotton dust in yarn manufacturing and cotton washing operations is exposed to airborne concentrations of lint-free respirable cotton dust greater than 200 µg/m3 mean concentration, averaged over an eight-hour period, as measured be a vertical elutriator or an equivalent instrument.

(ii) The employer shall assure that no employee who is exposed to cotton dust in textile mill waste house operations or is exposed in yarn manufacturing to dust from “lower grade washed cotton” as defined in paragraph (n)(5) of this section is exposed to airborne concentrations of lint-free respirable cotton dust greater than 500 µg/m3 mean concentration, averaged over an eight-hour period, as measured by a vertical elutriator or an equivalent instrument.

(iii) The employer shall assure that no employee who is exposed to cotton dust in the textile processes known as slashing and weaving is exposed to airborne concentrations of lint-free respirable cotton dust greater than 750 µg/m3 mean concentration, averaged over an eight hour period, as measured by a vertical elutriator or an equivalent instrument.

Source: eCFR, text current as of 2026-10-15. Read all of 1910.1043.

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OSHA interpretation letters

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About this page

Sources

3-year window. Federal OSHA only; state-plan rules are not counted. Plain-language text is a summary, not legal advice; the official text controls. Black Belt Safety is not part of OSHA or the Department of Labor.

Written and reviewed by

Black Belt Safety Editorial Team

Site Safety Officer and Safety Professional

OSHA 30 · CPR · USACE CQM

Written and reviewed by the Black Belt Safety team. Every post is checked against the OSHA standard or agency source it cites.

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